Element A has 2 electrons in its M shell. Element B has atomic nu… - Vidyadip

Question

Element A has $2$ electrons in its M shell. Element B has atomic number $7.$ Write equations to show how A and B form ions.

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Answer

$A \longrightarrow A ^{2+}+2 e ^{-} $
$ B +3 e^{-} \rightarrow B^{3-}$

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